Pod Update

In the resource field under route, the actual value of {pod_name} is the same as the value of name under metadata. In the container update message, the image name field carries the URL prefix of the image repository.

Message instance

{
    "header":{
        "msg_id":"85c67925-5768-4edd-b40e-32cf106e07e8",
        "parent_msg_id": "",
        "timestamp":1652168697,
        "resourceversion": "",
        "sync":true
    },
    "route":{
        "source":"controller",
        "group":"resource",
        "operation":"update",
        "resource":"websocket/pod/{pod_name}"
    },
    "content":{}
}

Parameter description

The content message is described as follows:

{
    "metadata":{
        "creationTimestamp":"2022-05-10T07:44:54Z",
        "name":"root-test-6bf30364-3c62-493d-b3c1-848012fb8731",
        "namespace":"websocket",
        "resourceVersion":"0868647",
        "uid":"6bf30364-3c62-493d-b3c1-848012fb8731",
        "deletionGracePeriodSeconds": 30,
        "deletionTimestamp": "2023-03-10T09:14:49Z"
    },
    "spec":{
        "Volumes":[
        {
            "hostPath":{
                "path":"/home/mmc/data/",
                "type":""
            },
            "name":"11"
        },
       {
            "emptyDir":{
                "medium":"Memory"
            },
            "name":"22"
        },
        {
            "configMap":{
                "defaultMode":420,
                "name":"configmap"
            },
            "name":"44"
        }
       ],
        "containers":[{
            "env":[{
                "name":"ABCD",
                "value":"5000"
            }],
            "image":"xxxxxx/library/root-test:2.0",
            "imagePullPolicy":"IfNotPresent",
            "livenessProbe":{
                "exec":{
                    "command":[
                        "/bin/echo"
                    ]
                },
                "failureThreshold":3,
                "initialDelaySeconds":20,
                "periodSeconds":30,
                "successThreshold":1,
                "timeoutSeconds":10
            },
           "readinessProbe":{
                "failureThreshold":3,
                "httpGet":{
                    "Host":"127.0.xx.xx",
                    "Path":"/tmp/test",
                    "Port":10000,
                    "Scheme":"http"
                },
                "initialDelaySeconds":20,
                "periodSeconds":30,
                "successThreshold":1,
                "timeoutSeconds":10
            },
            "name":"container-0",
            "ports":[{
                "containerPort":33,
                "hostPort":3000,
                "protocol":"TCP",
                "hostIP": "127.0.xx.xx"
            },
            {
                "containerPort":44,
                "hostPort":4000,
                "protocol":"TCP",
                "hostIP": "127.0.xx.xx"
            }],
            "resources":{
                "limits":{
                    "cpu":"1",
                    "memory":"512Mi"
                },
                "requests":{
                    "cpu":"0.25",
                    "memory":"512Mi"
                }
            },
            "securityContext":{
                "capabilities":{
                    "add":[
                        "SETPCAP",
                        "MKNOD"
                    ]
                },
                "privileged":false,
                "runAsGroup":1024,
                "runAsUser":1024
            },
            "terminationMessagePath":"/dev/termination-log",
            "terminationMessagePolicy":"File",
            "volumeMounts":[{
                "mountPath":"/etc/localtime",
                "name":"localtime",
                "readOnly":true
            },
            {
                "mountPath":"/home/mmc/data/",
                "name":"11",
                "readOnly":false
            },
            {
                "mountPath":"/tmp1",
                "name":"22",
                "readOnly":true
            },
            {
                "mountPath":"/tmp3",
                "name":"44",
                "readOnly":true
            }
          ]
        }],
        "dnsPolicy":"ClusterFirst",
        "hostNetwork":false,
        "imagePullSecrets":[{
            "name":"fusion-director-docker-registry-secret"
        }],
        "restartPolicy":"Always",
        "schedulerName":"default-scheduler",
        "securityContext":{},
        "serviceAccount":"default",
        "serviceAccountName":"default",
        "terminationGracePeriodSeconds":30,
        "tolerations":[{
            "effect":"NoExecute",
            "key":"node.kubernetes.io/unreachable",
            "operator":"Exists"
        },
        {
            "effect":"NoExecute",
            "key":"node.kubernetes.io/not-ready",
            "operator":"Exists"
        },
        {
            "effect":"NoExecute",
            "key":"node.kubernetes.io/network-unavailable",
            "operator":"Exists"
        }]
    }
}

The following table describes some pod parameters. For details about other pod parameters, see the official Kubernetes documentation.

Level-1 Resource	Level-2 Resource	Level-3 Resource	Level-4 Resource	Level-5 Resource	Description
metadata	-	-	-	-	Type: struct
-	creationTimestamp	-	-	-	Type: string Value: a string in the time.RFC3339 format, for example, 2006-01-02T15:04:05Z07:00
-	name	-	-	-	Meaning: pod name Type: string Value: matching the regular expression ^[a-z0-9]([a-z0-9-]{0,126}[a-z0-9]){0,1}$
-	namespace	-	-	-	Optional field Type: string Value: websocket or mef-user
-	resourceVersion	-	-	-	Type: string Value: matching the regular expression ^[a-zA-Z0-9]{0,64}$
-	uid	-	-	-	Type: string Value: matching the regular expression ^([0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}){0,1}$
-	deletionTimestamp	-	-	-	Type: string Value: a string in time.RFC3339 format. This parameter is carried when a pod is deleted.
-	deletionGracePeriodSeconds	-	-	-	Type: *int64 This parameter is carried when a pod is deleted.
spec	-	-	-	-	Type: struct
-	Volumes	-	-	-	Type: []Volume Value: The maximum slice length is 256.
-	-	hostPath	-	-	Type: *HostPathVolumeSource
-	-	-	path	-	Type: string Value: matching the regular expression ^/[a-z0-9A-Z_./-]+$. (The value contains a maximum of 1024 characters and cannot contain two consecutive dots (..).)
-	-	-	type	-	Type: *HostPathType Value: ""
-	-	configMap	-	-	Type: *ConfigMapVolumeSource
-	-	-	defaultMode	-	Type: int32 Value: 0644
-	-	-	name	-	Type: string Value: matching the regular expression ^[a-z][a-z0-9-]{2,62}[a-z0-9]$
-	-	emptyDir	-	-	Type: *EmptyDirVolumeSource
-	-	-	medium	-	Type: string Value: "" (empty character string)
-	-	name	-	-	Type: string Value: matching the regular expression ^^[a-zA-Z0-9-]{1,63}$
-	containers	-	-	-	Type: []Container Value: The slice length ranges from 1 to 10.
-	-	env	-	-	Type: []EnvVar Value: a maximum of 256
-	-	-	name	-	Type: string Value: matching the regular expression ^[a-zA-Z][a-zA-z0-9._-]{0,30}[a-zA-Z0-9]$
-	-	-	value	-	Type: string Value: ^[a-zA-Z0-9 _./:-]{1,512}$
-	-	image	-	-	Type: string Value: matching the regular expression ^[a-zA-Z0-9:_/.-]{1,288}$
-	-	imagePullPolicy	-	-	Optional field Type: string Value: IfNotPresent or Always
-	-	livenessProbe or ReadinessProbe	-	-	Type: *Probe
-	-	-	exec	-	Type: *ExecAction
-	-	-	-	Command	Type: []string Value: The slice length can only be 1. The element value matches the regular expression ^/[a-z0-9A-Z_./-]+$ and cannot exceed 1024 characters. Two consecutive periods (..) are not allowed.
-	-	-	failureThreshold	-	Type: int32 Value: 3
-	-	-	httpGet	-	Type: *HTTPGetAction
-	-	-	-	Host	Type: string Value: a valid IP address string
-	-	-	-	Path	Type: string Value: matching the regular expression ^/[a-z0-9A-Z_./-]+$ and supporting a maximum of 1024 characters. If the value is empty, probe parameters are not verified. Two consecutive periods (..) are not allowed.
-	-	-	-	Port	Type: int32 Value: [1,65535]
-	-	-	-	Scheme	Type: string Value: HTTP or HTTPS
-	-	-	initialDelaySeconds	-	Optional field Type: int32 Value: [1,3600]
-	-	-	periodSeconds	-	Optional field Type: int32 Value: [1,3600]
-	-	-	successThreshold	-	Type: int32 Value: 1
-	-	-	timeoutSeconds	-	Optional field Type: int32 Value: [1,3600]
-	-	name	-	-	Type: string Value: matching the regular expression ^[a-z0-9]([a-z0-9-]{0,30}[a-z0-9]){0,1}$
-	-	ports	-	-	Type: []ContainerPort Value: a maximum of 16
-	-	-	containerPort	-	Type: int32 Value: [1,65535]
-	-	-	hostPort	-	Type: int32 Value: [1024,65535]
-	-	-	protocol	-	Type: string Value: TCP or UDP
-	-	-	hostIP	-	Type: string Value: a valid IPv4 address that cannot be empty, all 0s, or all 255s
-	-	resources	-	-	Type: struct
-	-	-	limits	-	Type: map[ResourceName]resource.Quantity The value of ResourceName can be npu, cpu, memory, or huawei.com/Ascend310.
-	-	-	requests	-	Type: map[ResourceName]resource.Quantity The value of ResourceName can be npu, cpu, memory, or huawei.com/Ascend310.
-	-	securityContext	-	-	Type: *SecurityContext
-	-	-	capabilities	-	Type: *Capabilities Value: container capability
-	-	-	-	add	Type: []Capability Value: a container capability to be added. A maximum of 5 capabilities can be added. For details, see the official container document.
-	-	-	privileged	-	Type: bool Value: false*
-	-	-	runAsGroup	-	Type: *int64 Value: [1,65535]
-	-	-	runAsUser	-	Type: *int64 Value: [1,65535]
-	-	terminationMessagePath	-	-	Optional field Type: string Value: /dev/termination-log
-	-	terminationMessagePolicy	-	-	Optional field Type: string Value: File
-	-	volumeMounts	-	-	Type: []VolumeMount Value: a maximum of 256
-	-	-	mountPath	-	Type: string Value: matching the regular expression ^/[a-z0-9A-Z_./-]+$. (The value contains a maximum of 1024 characters and cannot contain two consecutive dots (..).)
-	-	-	name	-	Type: string Value: matching the regular expression ^[a-zA-Z0-9-]{1,63}$
-	-	-	readOnly	-	Type: bool Value: The value must be true.
-	dnsPolicy	-	-	-	Optional field Type: string Value: ClusterFirst
-	hostNetwork	-	-	-	Type: bool
-	imagePullSecrets	-	-	-	Optional field Type: []LocalObjectReference Value: image-pull-secret or fusion-director-docker-registry-secret
-	-	name	-	-	Type: string Value: image-pull-secret or fusion-director-docker-registry-secret
-	restartPolicy	-	-	-	Optional field Type: string Value: Always, OnFailure, or Never
-	schedulerName	-	-	-	Optional field Type: string Value: default-scheduler
-	securityContext	-	-	-	Type: *SecurityContext
-	serviceAccount	-	-	-	Optional field Type: string Value: default
-	ServiceAccountName	-	-	-	Optional field Type: string Value: default
-	terminationGracePeriodSeconds	-	-	-	Optional field Type: *int64 Value: 30
-	tolerations	-	-	-	Type: []Toleration Value: The maximum value is 16.
-	-	effect	-	-	Type: string Value: NoSchedule, PreferNoSchedule, or NoExecute
-	-	key	-	-	Type: string Value: The value starts with node.kubernetes.io and contains a maximum of 128 characters.
-	-	operator	-	-	Type: string Value: Exists or Equal

Result returned

{
    "header": {
        "id": "",
        "msg_id": "43b2b936-c1da-4a4b-b4d7-d3ec9dab7bbf",
        "parentId": "",
        "parent_msg_id": "85c67925-5768-4edd-b40e-32cf106e07e8",
        "timestamp": 1652168718438,
        "version": "",
        "resourceversion": "",
        "isSync": false,
        "sync": false,
        "nodeId": "",
        "peerInfo": {}
    },
    "router": {
        "source": "",
        "destination": "",
        "option": "",
        "resource": ""
    },
    "route": {
        "source": "controller",
        "group": "resource",
        "operation": "response",
        "resource": "websocket/pod/{pod_name}"
    },
    "content": "OK"
}

Parent topic: Configuring Pod Messages